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// ***********************************************************************
//
// Moocho: Multi-functional Object-Oriented arCHitecture for Optimization
// Copyright (2003) Sandia Corporation
//
// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
// license for use of this work by or on behalf of the U.S. Government.
//
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; either version 2.1 of the
// License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA
// Questions? Contact Roscoe A. Bartlett (rabartl@sandia.gov)
//
// ***********************************************************************
// @HEADER
#ifndef SPARSE_SOLVER_PACK_BASIS_SYSTEM_FACTORY_H
#define SPARSE_SOLVER_PACK_BASIS_SYSTEM_FACTORY_H
#include "AbstractLinAlgPack_Types.hpp"
#include "AbstractLinAlgPack_BasisSystemFactory.hpp"
#include "Teuchos_AbstractFactory.hpp"
namespace AbstractLinAlgPack {
/** \brief Default implementation for <tt>BasisSystemPermDirectSparse</tt> obejcts
* using <tt>DirectSparseSolver</tt> object.
*
* Several direct sparse solvers are supported by default. These include:
* <ul>
* <li> DENSE (using LAPACK xGETRF())
* <li> MA28
* <li> MA48 (using MA28 for BasisSystemPerm::select_basis()) (not yet)
* <li> SuperLU
* </ul>
*
* These solvers are supported only if the proper macros are defined.
*
* ToDo: Create a DirectSparseSolverFactory interface and use this
* to allow clients to add new DirectSparseSolvers ...
*
*/
class BasisSystemFactoryStd
: public AbstractLinAlgPack::BasisSystemFactory
{
public:
/** \brief . */
BasisSystemFactoryStd(); // ToDo: Add arguments!
/** @name Overridden from BasisSystemFactory */
//@{
/** \brief . */
void set_options( const options_ptr_t& options );
/** \brief . */
const options_ptr_t& get_options() const;
//@}
/** @name Overridden from AbstractFactory */
//@{
/** \brief . */
obj_ptr_t create() const;
//@}
private:
// ////////////////////////
// Private types
enum EDirectLinearSolverType { LA_DENSE, LA_MA28, LA_MA48, LA_SUPERLU };
// ////////////////////////
// Private data members
mutable EDirectLinearSolverType direct_linear_solver_type_;
options_ptr_t options_;
// ////////////////////////
// Private member functions
void read_options() const;
}; // end class BasisSystemFactoryStd
} // end namespace AbstractLinAlgPack
#endif // SPARSE_SOLVER_PACK_BASIS_SYSTEM_FACTORY_H
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